%0 Journal Article %T THENATUREANDEXTENTOFASTRATIGRAPHICALBREAKINTHECAMBRO-ORDOVICIANLIMESTONESOFNORTHERNANHUI,ANDITSBEARINGUPONTHESYSTEMATICCLASSIFICATJONOFTHECAMBRO-ORDOVICIANSTRATA %A J.S.LEE %J 地质学报 %P 89-96 %D 1922 %X ThosewhohavefollowedthehistoricaldevelopmentofthesystematicclassificationoftheoldPalaeozoicrocksinEuropewouldundoubtedlywellrememberhowtheOrdovicianbecamerecognizedasawell-defined,independ- %K 长吐 %K 心经 %K 助阳 %K 助长 %K 月山 %K 钾比 %K 公比 %K 加成 %K 比画 %K 曲目 %U http://www.geojournals.cn/dzxb/ch/reader/view_abstract.aspx?file_no=19220Z109&flag=1